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Soil & potting mix

Best soil for Geranium pratense 'Mrs Kendall Clark' (Geranium pratense 'Mrs Kendall Clark')

Also called Mrs Kendall Clark meadow cranesbill.

More about geranium pratense 'mrs kendall clark'

About Geranium pratense 'Mrs Kendall Clark'

Geranium pratense 'Mrs Kendall Clark' · also called Mrs Kendall Clark meadow cranesbill · flowering

'Mrs Kendall Clark' is a refined meadow cranesbill prized for soft greyish-blue petals veined with paler grey-white, opening over deeply cut foliage in early summer. Fully hardy and clump-forming, it suits cottage borders and naturalistic plantings, attracts pollinators, and reblooms after a midsummer cut-back. An RHS Award of Garden Merit selection.

Preferred mix: Fertile, moist but well-drained loam, neutral to slightly alkaline.

Why geranium pratense 'mrs kendall clark' needs this mix

Geranium pratense 'Mrs Kendall Clark' flowers hardest in a rich but free-draining loam — fed enough to fuel the display, open enough that the roots never waterlog.

For the full picture on what makes up a good mix, see our guide to the main types of soil and potting media — it explains why each ingredient above behaves the way it does.

What goes wrong with the wrong mix

The wrong soil is one of the most common reasons geranium pratense 'mrs kendall clark' struggles, and the damage often shows up weeks later as a watering problem. For this species specifically:

Either starving geranium pratense 'mrs kendall clark' in a thin mix or drowning it in a heavy, badly drained one. It wants the rich-but-free-draining middle, plus a flowering (higher-potassium) feed in season.

pH — does it matter for geranium pratense 'mrs kendall clark'?

Most flowering plants, including geranium pratense 'mrs kendall clark', do well around pH 6.0-7.0. A cheap soil test is worth it outdoors; one notable exception is any acid-lover (such as some hydrangeas), where pH directly changes flower colour.

If you want to check or adjust it, the soil pH guide walks through testing and the safe ways to nudge a mix more acidic or more alkaline.

DIY mix vs a bagged one

A quality bagged compost works for geranium pratense 'mrs kendall clark' in pots if you add grit and a flowering feed. In beds, improving the existing soil with compost and ensuring drainage beats any bag.

Drainage and the pot

Free drainage protects the roots and especially the crown over winter — raised beds, grit in the planting hole and never a waterlogged spot. Containers must have a clear drainage hole.

For perennials, refresh the top layer and feed each spring rather than disturbing the roots; for container displays, start with fresh rich mix each season. When the time comes, our repotting guide for geranium pratense 'mrs kendall clark' covers the timing and technique step by step.

Geranium pratense 'Mrs Kendall Clark' soil — frequently asked questions

What is the best soil mix for geranium pratense 'mrs kendall clark'?

3 parts good loam or quality peat-free compost : 1 part well-rotted compost or leaf mould : 1 part grit or perlite. Flowering is expensive for geranium pratense 'mrs kendall clark': producing buds, blooms and seed draws heavily on nutrients and steady moisture, so the soil has to keep delivering all season.

Can I use normal potting soil for geranium pratense 'mrs kendall clark'?

A thin, hungry or sandy mix gives geranium pratense 'mrs kendall clark' weak growth and few, short-lived flowers — it simply runs out of fuel. A quality bagged compost works for geranium pratense 'mrs kendall clark' in pots if you add grit and a flowering feed. In beds, improving the existing soil with compost and ensuring drainage beats any bag.

Does geranium pratense 'mrs kendall clark' need a special pH?

Most flowering plants, including geranium pratense 'mrs kendall clark', do well around pH 6.0-7.0. A cheap soil test is worth it outdoors; one notable exception is any acid-lover (such as some hydrangeas), where pH directly changes flower colour.

Should I buy a bagged mix or make my own for geranium pratense 'mrs kendall clark'?

A quality bagged compost works for geranium pratense 'mrs kendall clark' in pots if you add grit and a flowering feed. In beds, improving the existing soil with compost and ensuring drainage beats any bag.

How often should I refresh the soil for geranium pratense 'mrs kendall clark'?

For perennials, refresh the top layer and feed each spring rather than disturbing the roots; for container displays, start with fresh rich mix each season. Free drainage protects the roots and especially the crown over winter — raised beds, grit in the planting hole and never a waterlogged spot. Containers must have a clear drainage hole.

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